Write sin(arcsin 2x + arccos x) as an algebraic expression of x that does not involve trigonometric functions.​

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

How to use order of operation in 20 divide by 4 multiply 5 = 1

Can some one me with these questions